package com.tanhua.dubbo.api;

import com.tanhua.dubbo.utils.IdWorker;
import com.tanhua.model.mongo.Video;
import com.tanhua.model.vo.PageResult;
import org.apache.dubbo.config.annotation.DubboService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Sort;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;

import java.util.List;

/**
 * @author wjs
 * @version 1.0
 * @date 2022/1/2 0002 下午 6:37
 */

@DubboService
public class VideoApiImpl implements VideoApi {

    @Autowired
    private MongoTemplate mongoTemplate;

    @Autowired
    private IdWorker idWorker;

    @Override
    public String save(Video video) {

        video.setVid(idWorker.getNextId("video"));
        video.setCreated(System.currentTimeMillis());

        mongoTemplate.save(video);

        return video.getId().toHexString();
    }

    @Override
    public List<Video> findByVids(List<Long> vids) {

        Query query = Query.query(Criteria.where("vid").in(vids));

        return mongoTemplate.find(query, Video.class);
    }

    @Override
    public PageResult findAllPageByUserId(Integer page, Integer pagesize, Long uid) {
        Query query = new Query();
        if(uid != null) {
            query.addCriteria(Criteria.where("userId").is(uid));
        }
        long count = mongoTemplate.count(query, Video.class);

        query.skip((page - 1) * pagesize)
                .limit(pagesize)
                .with(Sort.by(Sort.Order.desc("created")));
        List<Video> videos = mongoTemplate.find(query, Video.class);

        return new PageResult(page,pagesize,count,videos);
    }
}
